x=45:0.1:120;
Spin=zeros(size(x));

spinSpeed=[];
power=[];

for i=1:1:length(x)
    if(x(i)<=60)
        Spin(i)=0.25+0.002*x(i)-0.09;
    elseif(x(i)>60 & x(i)<=80)
        Spin(i)=0.25+0.0045*x(i)-0.24;
    elseif(x(i)>80)
        Spin(i)=0.25+0.0025*x(i)-0.08;
    end
end

plot(x,Spin);
hold on;
%Spin2=0.35+0.0025.*x-0.08;
Spin2=0.35+0.002.*x-0.08;
plot(x,Spin2);
Spin3=Spin2*(1-0.07*1.167);
plot(x,Spin3);